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The following components may be replaced by qualified maintenance and installation
personnel:
● Double submodule (gating unit and capacitor bank)
● Sensors (for conductivity, pressure, and temperature)
● AVT combination modules
● Current transformer
● Low-voltage components (e.g. anti-condensation heating, fans, contactors)
9.7.3
Torques
The following table contains the default values. If the replacement of a component requires
different torques, they are specified in the associated sections.
Table 9-2
Screw type
M3
M4
M5
M6
M8
M10
M12
M16
Examples of soft materials are Cu, Al, CuZn cable entries, laminate materials, plastics, cast
1
resin post insulators, press nuts, welding nuts, blind rivet nuts, and cage nuts.
Hard materials S2 are materials with friction-enhancing washer components, e.g. a contact
2
washer.
Hard S1 materials include steel, for example.
3
SINAMICS SM120 6SL38855?B
Operating Instructions 12/2015
Tightening torques in Nm
Soft materials S3
1
0,8
1,8
3,0
6,0
13,0
25,0
50,0
115,0
Hard materials S2
2
1,8
3,9
7,8
13,0
32,0
65,0
115,0
270,0
Maintenance
9.7 Repair
Hard materials S1
3
1,3
3,0
6,0
10,0
25,0
50,0
88,0
215,0
105
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